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Finding the Fourth Proportional to 605,429.10, 908,143.65 and 162,197.10

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Solution

The fourth proportional to 605,429.10, 908,143.65 and 162,197.10 is: 243,295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,429.10 : 908,143.65 = 162,197.10 : x
  2. Step 2: Convert to fraction form
    605,429.10/908,143.65 = 162,197.10/x
  3. Step 3: Cross multiply
    605,429.10x = 908,143.65 × 162,197.10
  4. Step 4: Simplify right side
    605,429.10x = 147,298,266,413.42
  5. Step 5: Solve for x
    x = 147,298,266,413.42/605,429.10
  6. Step 6: Final answer
    x = 243,295.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.